Home / 76,887.40-115,320.30-24,302.20

Finding the Fourth Proportional to 76,887.40, 115,320.30 and 24,302.20

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Solution

The fourth proportional to 76,887.40, 115,320.30 and 24,302.20 is: 36,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,887.40 : 115,320.30 = 24,302.20 : x
  2. Step 2: Convert to fraction form
    76,887.40/115,320.30 = 24,302.20/x
  3. Step 3: Cross multiply
    76,887.40x = 115,320.30 × 24,302.20
  4. Step 4: Simplify right side
    76,887.40x = 2,802,536,994.66
  5. Step 5: Solve for x
    x = 2,802,536,994.66/76,887.40
  6. Step 6: Final answer
    x = 36,449.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.